Alert archive / Texas / Special Weather Statements in 2017
Special Weather Statement, NWS Amarillo, TX
NWS Amarillo, TX issued this special weather statement at Aug 10, 2017, 2:36 AM CDT for Hartley County, Texas. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 10, 2017, 2:36 AM CDT (07:36 UTC)
- Expired
- Aug 10, 2017, 3:15 AM CDT
- In force
- 39 min
- Issued by
- NWS Amarillo, TX
County Hartley County, TX
The radar
The Amarillo radar (KAMA), 113 km from the middle of the area, began a volume at 07:40 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 7.6 hours before the alert went out and 113 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 889 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1648 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Amarillo, TX wrote its last area forecast discussion before this special weather statement went out at Aug 10, 1:10 AM CDT, 1 hour 26 minutes earlier.
Area forecast discussion, Aug 10, 1:10 AM CDT, 1 hour 26 minutes before
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</html>Hazardous weather outlook, Aug 9, 3:58 PM CDT, 10 hours 38 minutes before
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<main class="wrap">
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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Please try again in a few minutes.
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</html>In the hours before
Special weather statement, Aug 10, 1:50 AM CDT, 46 minutes before
Special Weather Statement National Weather Service Amarillo TX 150 AM CDT THU AUG 10 2017 TXZ001-006-100730- Hartley TX-Dallam TX- 150 AM CDT THU AUG 10 2017 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN DALLAM AND NORTHERN HARTLEY COUNTIES UNTIL 230 AM CDT... At 150 AM CDT, Doppler radar was tracking a strong thunderstorm 9 miles east of Sedan, or 19 miles northeast of Amistad, moving east southeast at 30 mph. Nickel size hail and wind gusts of 50 to 55 mph will be possible with this storm. Locations impacted include... Dalhart, Hartley, Texline and Ware. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 3581 10303 3640 10304 3632 10231 3580 10222 TIME...MOT...LOC 0650Z 294DEG 32KT 3616 10296 Andrade
Special weather statement, Aug 10, 2:36 AM CDT, 0 minutes before
Special Weather Statement National Weather Service Amarillo TX 236 AM CDT THU AUG 10 2017 TXZ006-011-100815- Hartley TX-Oldham TX- 236 AM CDT THU AUG 10 2017 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN OLDHAM AND HARTLEY COUNTIES UNTIL 315 AM CDT... At 235 AM CDT, Doppler radar was tracking a strong thunderstorm 15 miles southwest of Dalhart, moving southeast at 30 mph. Dime size hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Hartley, Channing and Romero. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take shelter in a sturdy building if threatening weather approaches. Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3605 10298 3604 10233 3555 10217 3555 10303 TIME...MOT...LOC 0735Z 316DEG 22KT 3594 10277 Andrade
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 1:50 AM CDT | Special Weather Statement | AMA | Dallam, Hartley | 40 min |
| Aug 10, 4:54 AM CDT | Areal Flood Advisory | AMA | Potter, Randall | 3 hr |
| Aug 10, 6:32 AM CDT | Flash Flood Warning | AMA | Potter, Randall | 3 hr |
| Aug 10, 7:53 AM CDT | Areal Flood Advisory | AMA | Oldham, Potter | 3 hr |
| Aug 10, 8:07 AM CDT | Flash Flood Warning | AMA | Armstrong | 3 hr |
| Aug 10, 4:08 PM CDT | Special Weather Statement | AMA | Oldham | 67 min |
| Aug 10, 4:34 PM CDT | Severe Thunderstorm Warning | AMA | Hartley, Oldham | 56 min |
| Aug 10, 5:16 PM CDT | Special Weather Statement | AMA | Hutchinson | 59 min |
| Aug 10, 5:32 PM CDT | Special Weather Statement | AMA | Oldham | 58 min |
| Aug 10, 5:35 PM CDT | Areal Flood Advisory | AMA | Hartley, Oldham | 3 hr |
| Aug 10, 5:46 PM CDT | Special Weather Statement | AMA | Moore | 59 min |
| Aug 10, 6:53 PM CDT | Special Weather Statement | AMA | Oldham | 67 min |
| Aug 9, 7:12 PM CDT | Special Weather Statement | AMA | Cimarron | 63 min |
| Aug 10, 12:14 PM CDT | Severe Thunderstorm Warning | AMA | Beaver, Texas | 22 min |
| Aug 10, 12:40 PM CDT | Special Weather Statement | AMA | Beaver | 35 min |
| Aug 10, 12:59 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 61 min |
Nearby
Special Weather Statements in Texas, 2017Every special weather statement in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.